1 /*
2  * Definitions used by low-level trap handlers
3  *
4  * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
5  * Copyright (C) 2007-2009 PetaLogix
6  * Copyright (C) 2007 John Williams <john.williams@petalogix.com>
7  *
8  * This file is subject to the terms and conditions of the GNU General
9  * Public License. See the file COPYING in the main directory of this
10  * archive for more details.
11  */
12 
13 #ifndef _ASM_MICROBLAZE_ENTRY_H
14 #define _ASM_MICROBLAZE_ENTRY_H
15 
16 #include <asm/percpu.h>
17 #include <asm/ptrace.h>
18 
19 /*
20  * These are per-cpu variables required in entry.S, among other
21  * places
22  */
23 
24 #define PER_CPU(var) var
25 
26 # ifndef __ASSEMBLY__
27 DECLARE_PER_CPU(unsigned int, KSP); /* Saved kernel stack pointer */
28 DECLARE_PER_CPU(unsigned int, KM); /* Kernel/user mode */
29 DECLARE_PER_CPU(unsigned int, ENTRY_SP); /* Saved SP on kernel entry */
30 DECLARE_PER_CPU(unsigned int, R11_SAVE); /* Temp variable for entry */
31 DECLARE_PER_CPU(unsigned int, CURRENT_SAVE); /* Saved current pointer */
32 # endif /* __ASSEMBLY__ */
33 
34 #endif /* _ASM_MICROBLAZE_ENTRY_H */
35